Bump version.keycloak from 25.0.4 to 26.0.0

Bumps `version.keycloak` from 25.0.4 to 26.0.0.

Updates `org.keycloak:keycloak-core` from 25.0.4 to 26.0.0
- [Release notes](https://github.com/keycloak/keycloak/releases)
- [Commits](keycloak/keycloak@25.0.4...26.0.0)

Updates `org.keycloak:keycloak-server-spi` from 25.0.4 to 26.0.0
- [Release notes](https://github.com/keycloak/keycloak/releases)
- [Commits](keycloak/keycloak@25.0.4...26.0.0)

Updates `org.keycloak:keycloak-model-jpa` from 25.0.4 to 26.0.0

---
updated-dependencies:
- dependency-name: org.keycloak:keycloak-core
  dependency-type: direct:production
  update-type: version-update:semver-major
- dependency-name: org.keycloak:keycloak-server-spi
  dependency-type: direct:production
  update-type: version-update:semver-major
- dependency-name: org.keycloak:keycloak-model-jpa
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <[email protected]>

pom.xml

@@ -9,7 +9,7 @@
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
         <maven.compiler.source>17</maven.compiler.source>
         <maven.compiler.target>17</maven.compiler.target>
-        <version.keycloak>25.0.4</version.keycloak>
+        <version.keycloak>26.0.0</version.keycloak>
     </properties>
     <dependencies>
         <dependency>